[INFO] fetching crate megenginelite-derive 0.2.0...
[INFO] documenting megenginelite-derive-0.2.0 against nightly for scrape-examples
[INFO] extracting crate megenginelite-derive 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate megenginelite-derive 0.2.0 on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate megenginelite-derive 0.2.0
[INFO] finished tweaking crates.io crate megenginelite-derive 0.2.0
[INFO] tweaked toml for crates.io crate megenginelite-derive 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate megenginelite-derive 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db4e469738a8e50c5b01f18d59836c8b712633b15863fa05d2e35a10c86c13f7
[INFO] running `Command { std: "docker" "start" "-a" "db4e469738a8e50c5b01f18d59836c8b712633b15863fa05d2e35a10c86c13f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db4e469738a8e50c5b01f18d59836c8b712633b15863fa05d2e35a10c86c13f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4e469738a8e50c5b01f18d59836c8b712633b15863fa05d2e35a10c86c13f7", kill_on_drop: false }`
[INFO] [stdout] db4e469738a8e50c5b01f18d59836c8b712633b15863fa05d2e35a10c86c13f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e61a53dec356d21d2653422e5ff184fe115fe7016679c62258fcdb3eb4f5f12
[INFO] running `Command { std: "docker" "start" "-a" "2e61a53dec356d21d2653422e5ff184fe115fe7016679c62258fcdb3eb4f5f12", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]     Checking quote v1.0.16
[INFO] [stderr]  Documenting megenginelite-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `Command { std: "docker" "inspect" "2e61a53dec356d21d2653422e5ff184fe115fe7016679c62258fcdb3eb4f5f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e61a53dec356d21d2653422e5ff184fe115fe7016679c62258fcdb3eb4f5f12", kill_on_drop: false }`
[INFO] [stdout] 2e61a53dec356d21d2653422e5ff184fe115fe7016679c62258fcdb3eb4f5f12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff041fde5e44bab532221c5727434ada09a501693087110cc564e0f31a6c735e
[INFO] running `Command { std: "docker" "start" "-a" "ff041fde5e44bab532221c5727434ada09a501693087110cc564e0f31a6c735e", kill_on_drop: false }`
[INFO] [stderr]  Documenting megenginelite-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "ff041fde5e44bab532221c5727434ada09a501693087110cc564e0f31a6c735e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff041fde5e44bab532221c5727434ada09a501693087110cc564e0f31a6c735e", kill_on_drop: false }`
[INFO] [stdout] ff041fde5e44bab532221c5727434ada09a501693087110cc564e0f31a6c735e